Home / 85,896,265.77-128,844,398.66-31,312,944.81

Finding the Fourth Proportional to 85,896,265.77, 128,844,398.66 and 31,312,944.81

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Solution

The fourth proportional to 85,896,265.77, 128,844,398.66 and 31,312,944.81 is: 46,969,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,896,265.77 : 128,844,398.66 = 31,312,944.81 : x
  2. Step 2: Convert to fraction form
    85,896,265.77/128,844,398.66 = 31,312,944.81/x
  3. Step 3: Cross multiply
    85,896,265.77x = 128,844,398.66 × 31,312,944.81
  4. Step 4: Simplify right side
    85,896,265.77x = 4,034,497,544,161,653
  5. Step 5: Solve for x
    x = 4,034,497,544,161,653/85,896,265.77
  6. Step 6: Final answer
    x = 46,969,417.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.